I use Nginx to reverse proxy and see this in Developer Tools. I'm guessing that is why I only get the RECONNECT button.
I have enabled Web Sockets for the reverse proxy. Nginx proxies to https://192.168.1.1:8080 so I have no idea what 8787 is.
Also, due to the above (I think) you end up with the below:
app.js:216 WebSocket connection to 'wss://router.xxx.co.uk:8787/ws?c=Ai0wQXXmnSBlMItr&t=1747694968&s=b1e3425…' failed:
I have enabled Web Sockets for the reverse proxy. Nginx proxies to https://192.168.1.1:8080 so I have no idea what 8787 is.
Also, due to the above (I think) you end up with the below: